Select the pair that consists of a base and its conjugate acid in that order. CO32−/CO22−
H3PO4/ HPO42−
H2CO3/HCO3−
NH3/NH4+
HCO3−/CO32−
Please answer quickly.

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle

Type the letter that represents the correct location for each particle type below. the neutron is found at __ the electron is found at __ the proton is found at __

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?